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Definition of LABRADORITE
: an iridescent feldspar used especially in jewelry
Origin of LABRADORITE
Labrador Peninsula, Canada
First Known Use: 1814
Type of feldspar mineral in the plagioclase series that is often valued as a gemstone and as ornamental material for its red, blue, or green iridescence. The mineral is usually gray or brown to black and need not be iridescent. Labradorite is named for its occurrence on the coast of Labrador, Canada.